20121122_1

gistfile1.m

//
//  MemoryLeakTestTableViewController.m
//  MemoryLeakTest

#import "ASIHTTPRequest.h"

@interface MemoryLeakTest2ViewController : UITableViewController
{
    NSMutableArray *_dataForCellArray0;
}
@property (retain, nonatomic) NSMutableArray *dataForCellArray1;
@property (retain, nonatomic) NSMutableArray *dataForCellArray2;
@property (retain, nonatomic) NSArray *dataForCellArray3;
@property (retain, nonatomic) NSArray *dataForCellArray4;
@property (retain, nonatomic) NSMutableArray *sections;
@property (retain, nonatomic) UIImage *image;

@end

@implementation MemoryLeakTest2ViewController
@synthesize dataForCellArray1;
@synthesize dataForCellArray2;
@synthesize dataForCellArray3;
@synthesize dataForCellArray4;
@synthesize sections;
@synthesize image;


- (void)dealloc
{
    [_dataForCellArray0 release];
    self.dataForCellArray1 = nil;
    self.dataForCellArray2 = nil;
    self.dataForCellArray3 = nil;
    self.dataForCellArray4 = nil;
    self.sections = nil;
    self.image = nil;
    [super dealloc];
}

- (void)viewDidLoad
{
    [super viewDidLoad];
    NSMutableArray *dataForCellArray = [NSMutableArray array];
    for (int i = 0; i < 10; i++) {
        [dataForCellArray addObject:[NSString stringWithFormat:@"Cell Row %d", i]];
    }
    if (_dataForCellArray0 == nil) {
        _dataForCellArray0 = [dataForCellArray mutableCopy];
    }
    self.dataForCellArray1 = [[dataForCellArray mutableCopy] autorelease];
    self.dataForCellArray2 = [[dataForCellArray mutableCopy] autorelease];
    self.dataForCellArray3 = [[[NSArray alloc] initWithArray:dataForCellArray] autorelease];
    self.dataForCellArray4 = [[[NSArray alloc] initWithArray:dataForCellArray] autorelease];
    self.sections = [[[NSMutableArray alloc] init] autorelease];
    for (int i = 0; i < 4; i++) {
        [self.sections addObject:[NSString stringWithFormat:@"dataForCellArray%d", i]];
    }
}

- (void)viewWillAppear:(BOOL)animated
{
    [super viewWillAppear:animated];
    [self performSelectorInBackground:@selector(getImageInBackground) withObject:nil];
}

- (void)didReceiveMemoryWarning
{
    [super didReceiveMemoryWarning];
}

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView
{
    return [self.sections count];
}

- (NSString *)tableView:(UITableView *)tableView titleForHeaderInSection:(NSInteger)section
{
    return [self.sections objectAtIndex:section];
}

- (void)showAlert {
    UIAlertView* alert=[[[UIAlertView alloc] initWithTitle:@"Oops" message:@"Connection Error" delegate:nil cancelButtonTitle:@"OK" otherButtonTitles:nil] autorelease];
    [alert show];
}

- (void)getImageInBackground
{
    NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
    ASIHTTPRequest *request = [ASIHTTPRequest requestWithURL:[NSURL URLWithString:@"http://snapdi.sh/images/snapdish_logo1.png"]];
    [request startSynchronous];
    NSError *error = [request error];
    if (error) {
        [self showAlert];
    } else {
        self.image = [UIImage imageWithData:[request responseData]];
        [self.tableView reloadData];
    }
    [pool release];
}
     
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    if (section == 0) {
        return [_dataForCellArray0 count];
    } else if (section == 1) {
        return [self.dataForCellArray1 count];
    } else if (section == 2) {
        return [self.dataForCellArray2 count];
    } else if (section == 3) {
        return [self.dataForCellArray3 count];
    } else if (section == 4) {
        return [self.dataForCellArray4 count];
    }
    return 0;
}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *CellIdentifier = @"Cell";
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:CellIdentifier];
    if (cell == nil) {
        cell = [[[UITableViewCell alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:CellIdentifier] autorelease];
    }
    if (indexPath.section == 0) {
        cell.textLabel.text = [_dataForCellArray0 objectAtIndex:indexPath.row];
    } else if (indexPath.section == 1) {
        cell.textLabel.text = [self.dataForCellArray1 objectAtIndex:indexPath.row];
    } else if (indexPath.section == 2) {
        cell.textLabel.text = [self.dataForCellArray2 objectAtIndex:indexPath.row];
    } else if (indexPath.section == 3) {
        cell.textLabel.text = [self.dataForCellArray3 objectAtIndex:indexPath.row];
    } else if (indexPath.section == 4) {
        cell.textLabel.text = [self.dataForCellArray4 objectAtIndex:indexPath.row];
    }
    if (self.image != nil) {
        cell.imageView.image = self.image;
        [[cell.contentView viewWithTag:1] removeFromSuperview];
        UIImageView *imageView = [[[UIImageView alloc] initWithImage:self.image] autorelease];
        imageView.frame = CGRectMake(280, 10, 30, 30);
        imageView.tag = 1;
        [cell.contentView addSubview:imageView];
    }
    return cell;
}

@end